Pressure Control Valve A, B: Notes
Pressure control valve A, B regulate the pressure supplied to each clutch under the control of the pressure control solenoid valve A, B to eliminate shock at the time of shifting.
Comparisons with A4AF2
PRESSURE CONTROL VALVE A, B COMPARISONS
| Items | A4AF2 | A4AF3 |
|---|---|---|
| Pressure Control for SA, E/C | PCV + PCSV PCV N-D V/v 1-2Shift V/v |
PCV-A + PCSV-A PCV-A, 1-2Shift V/v |
| Pressure Control for R/C | PCV + PCSV PCV N-D V/v RCE V/v |
PCV-B + Another Sol. V/v (PCSV-B) PCV-B, RCE V/v (with accumulator) |
CHANGED POINTS:
- N-D valve has been eliminated.
- PCSV-B has been added for Rear clutch pressure control independently.
- Mechanical accumulator has been adopted.
- E/C release control: PCV-A, Switching of SA, E/C: CSV